remcos | 95be57795b850e5aa098c80a107bafdb581da7653d9b57b8f2d37b89880de224

Resubmissions

01-07-2024 12:39

240701-pvt8hssbpd 10

01-07-2024 11:57

240701-n4kvrstdkn 4

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 12:39

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General

Target

Offer ZI-0428.rtf
Size

293KB
MD5

dde9d7d091ac0cc1d35515d259d8ca6f
SHA1

c6e943143771fc3fd7c2c548f5fddcd6013d9302
SHA256

95be57795b850e5aa098c80a107bafdb581da7653d9b57b8f2d37b89880de224
SHA512

04f282c1b0333925454b7ab1c461c4ae395b0b8148bc6d51fd36368db2dc187daa6d273177d4ad15b50ede52bacf6271062dab70d45b871c8f805a8083844995
SSDEEP

6144:4GuqGuqGuqGuqGuqGuqGuqGuqGuqGu9tNcTr:4

Score

10^/10

remcos spittt collection execution rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

sPITTT

antfly50.sytes.net:1980

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-BW3KDF
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients

Processes:

resource yara_rule

behavioral1/memory/2960-86-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers

Processes:

resource yara_rule

behavioral1/memory/2468-81-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView

resource	yara_rule
behavioral1/memory/2960-86-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

resource	yara_rule
behavioral1/memory/2468-81-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2468-81-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2960-86-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/1132-91-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 2640 EQNEDT32.EXE
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2892 powershell.exe
2532 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 6 IoCs

Processes:

plugman23456.scrplugman23456.scrplugman23456.scrplugman23456.scrplugman23456.scrplugman23456.scr

pid process

1760 plugman23456.scr
2804 plugman23456.scr
2468 plugman23456.scr
2384 plugman23456.scr
2960 plugman23456.scr
1132 plugman23456.scr
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

2640 EQNEDT32.EXE
2640 EQNEDT32.EXE
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
collection

Email Collection
T1114

Processes:

plugman23456.scr

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts plugman23456.scr

flow	pid	process
4	2640	EQNEDT32.EXE

pid	process
2892	powershell.exe
2532	powershell.exe

pid	process
1760	plugman23456.scr
2804	plugman23456.scr
2468	plugman23456.scr
2384	plugman23456.scr
2960	plugman23456.scr
1132	plugman23456.scr

pid	process
2640	EQNEDT32.EXE
2640	EQNEDT32.EXE

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	plugman23456.scr

Drops file in System32 directory 2 IoCs

Processes:

powershell.exepowershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

plugman23456.scrplugman23456.scr

description	pid	process	target process
PID 1760 set thread context of 2804	1760	plugman23456.scr	plugman23456.scr
PID 2804 set thread context of 2468	2804	plugman23456.scr	plugman23456.scr
PID 2804 set thread context of 2960	2804	plugman23456.scr	plugman23456.scr
PID 2804 set thread context of 1132	2804	plugman23456.scr	plugman23456.scr

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

2640 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
2640	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

1704 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2248 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

plugman23456.scrpowershell.exepowershell.exeplugman23456.scr

pid process

1760 plugman23456.scr
1760 plugman23456.scr
2892 powershell.exe
2532 powershell.exe
2468 plugman23456.scr
2468 plugman23456.scr
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

plugman23456.scr

pid process

2804 plugman23456.scr
2804 plugman23456.scr
2804 plugman23456.scr
2804 plugman23456.scr
Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

plugman23456.scrpowershell.exepowershell.exeplugman23456.scr

description pid process

Token: SeDebugPrivilege 1760 plugman23456.scr
Token: SeDebugPrivilege 2532 powershell.exe
Token: SeDebugPrivilege 2892 powershell.exe
Token: SeDebugPrivilege 1132 plugman23456.scr
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEplugman23456.scr

pid process

2248 WINWORD.EXE
2248 WINWORD.EXE
2804 plugman23456.scr

pid	process
1704	schtasks.exe

pid	process
2248	WINWORD.EXE

pid	process
1760	plugman23456.scr
1760	plugman23456.scr
2892	powershell.exe
2532	powershell.exe
2468	plugman23456.scr
2468	plugman23456.scr

pid	process
2804	plugman23456.scr
2804	plugman23456.scr
2804	plugman23456.scr
2804	plugman23456.scr

description	pid	process
Token: SeDebugPrivilege	1760	plugman23456.scr
Token: SeDebugPrivilege	2532	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	1132	plugman23456.scr

pid	process
2248	WINWORD.EXE
2248	WINWORD.EXE
2804	plugman23456.scr

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEplugman23456.scrplugman23456.scr

description	pid	process	target process
PID 2640 wrote to memory of 1760	2640	EQNEDT32.EXE	plugman23456.scr
PID 2640 wrote to memory of 1760	2640	EQNEDT32.EXE	plugman23456.scr
PID 2640 wrote to memory of 1760	2640	EQNEDT32.EXE	plugman23456.scr
PID 2640 wrote to memory of 1760	2640	EQNEDT32.EXE	plugman23456.scr
PID 2248 wrote to memory of 1228	2248	WINWORD.EXE	splwow64.exe
PID 2248 wrote to memory of 1228	2248	WINWORD.EXE	splwow64.exe
PID 2248 wrote to memory of 1228	2248	WINWORD.EXE	splwow64.exe
PID 2248 wrote to memory of 1228	2248	WINWORD.EXE	splwow64.exe
PID 1760 wrote to memory of 2892	1760	plugman23456.scr	powershell.exe
PID 1760 wrote to memory of 2892	1760	plugman23456.scr	powershell.exe
PID 1760 wrote to memory of 2892	1760	plugman23456.scr	powershell.exe
PID 1760 wrote to memory of 2892	1760	plugman23456.scr	powershell.exe
PID 1760 wrote to memory of 2532	1760	plugman23456.scr	powershell.exe
PID 1760 wrote to memory of 2532	1760	plugman23456.scr	powershell.exe
PID 1760 wrote to memory of 2532	1760	plugman23456.scr	powershell.exe
PID 1760 wrote to memory of 2532	1760	plugman23456.scr	powershell.exe
PID 1760 wrote to memory of 1704	1760	plugman23456.scr	schtasks.exe
PID 1760 wrote to memory of 1704	1760	plugman23456.scr	schtasks.exe
PID 1760 wrote to memory of 1704	1760	plugman23456.scr	schtasks.exe
PID 1760 wrote to memory of 1704	1760	plugman23456.scr	schtasks.exe
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 1760 wrote to memory of 2804	1760	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2468	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2468	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2468	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2468	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2468	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2384	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2384	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2384	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2384	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2960	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2960	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2960	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2960	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 2960	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 1132	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 1132	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 1132	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 1132	2804	plugman23456.scr	plugman23456.scr
PID 2804 wrote to memory of 1132	2804	plugman23456.scr	plugman23456.scr

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Offer ZI-0428.rtf"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1228

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2640

C:\Users\Admin\AppData\Roaming\plugman23456.scr
"C:\Users\Admin\AppData\Roaming\plugman23456.scr"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\plugman23456.scr"
3⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\znlzneAxBVd.exe"
3⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\znlzneAxBVd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA44B.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:1704

C:\Users\Admin\AppData\Roaming\plugman23456.scr
"C:\Users\Admin\AppData\Roaming\plugman23456.scr"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2804

C:\Users\Admin\AppData\Roaming\plugman23456.scr
C:\Users\Admin\AppData\Roaming\plugman23456.scr /stext "C:\Users\Admin\AppData\Local\Temp\mmsxkdzyjkunigwpzxgnouyjxeomy"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2468

C:\Users\Admin\AppData\Roaming\plugman23456.scr
C:\Users\Admin\AppData\Roaming\plugman23456.scr /stext "C:\Users\Admin\AppData\Local\Temp\whxpkvksxsmstmsbjisorhtaylyvrfcn"
4⤵
- Executes dropped EXE
PID:2384

C:\Users\Admin\AppData\Roaming\plugman23456.scr
C:\Users\Admin\AppData\Roaming\plugman23456.scr /stext "C:\Users\Admin\AppData\Local\Temp\whxpkvksxsmstmsbjisorhtaylyvrfcn"
4⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
PID:2960

C:\Users\Admin\AppData\Roaming\plugman23456.scr
C:\Users\Admin\AppData\Roaming\plugman23456.scr /stext "C:\Users\Admin\AppData\Local\Temp\zbka"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1132

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
224B

MD5
e774ca36bac2ad5f2bfe08b73916dd02

SHA1
3926e73ddec251853463ca6f8dae5c81c3925261

SHA256
889c16ccef184d9c154fcb081e210ff385331f7bf3ec912fea12dc821c83fda6

SHA512
e9fd5458cec5e5a90bd508d51ecebfb3b1a8dec664005d81f4c3e0552572ab4ccd5987187adbcf61155eb72be127fd4f060ff6de19a0eeb217d5419b563e4d5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\mmsxkdzyjkunigwpzxgnouyjxeomy
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA44B.tmp
Filesize
1KB

MD5
e1a025581e1c3c58a729c09b0f8a8497

SHA1
1e136d28cab0643da8d45042db400ff399ce5747

SHA256
b5360f925c84b1f8da923f04a4140a8b63e1c512cadc3273f3eb4bd294f60b02

SHA512
9f895c236a3a70032e19eba17b894ae44d7ba221ba0219f5341452ba88c5b06295023c831c3a38cef662572547564beb9b09ef4739041d3e9d689644e375ba83

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Filesize
20KB

MD5
07b6475fc506b60aff30028dffeb8523

SHA1
952e24c6e2b7707226a8c32c507a615c3f9e6244

SHA256
285747ac7ea369c28731968accbf780875e1a11b36be63f44eee7bd07e39bf66

SHA512
0ad74fd32b6323f98cc3a1b6149c42e3a102e367b8b9b791d42242da0808be44b2c8d4a80f15501a87a5ac374f33bdad566bad6a37a9e3c5a8319deef9f91ad8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
4c7e78fe68f89cb8986884c27fcd109e

SHA1
71c3ddc1ba3d3863f83306c7556839522fd10744

SHA256
9720077d5279e938a635ebf2559143432f12e82a0f7c6b00d5bfe9e1e1e32d80

SHA512
8ee960b3adaa025769ac34cbb717cd784ad29718d961b0600db1bc8b4388acd28f360404404a3e413ad2440686045d4397f33ced60a35c0dbd62a81a47a9256f

Download Submit
\Users\Admin\AppData\Roaming\plugman23456.scr
Filesize
1.1MB

MD5
28f77c9af8cb3ea886714bbfc8326635

SHA1
f6f02b22cd5a272c71a5afa66efd3b237fe4f24f

SHA256
f251fe71103ef7bc4cbdbcfe9c1d7c4a595f831e51cf4064f2bfa595f47bda35

SHA512
03508e0f3f68696f4f7b64aa737d40e8bd24b69ea7860a8fabee997d238454929605fe5b1ea0880af14cf3a89763d46e1fdeb9a526700d570b0d672330b5f82d

Download Submit
memory/1132-91-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1132-88-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1132-90-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1760-17-0x000000006B97E000-0x000000006B97F000-memory.dmp

Filesize
4KB

Download
memory/1760-19-0x00000000010D0000-0x00000000011E8000-memory.dmp

Filesize
1.1MB

Download
memory/1760-24-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/1760-26-0x0000000000D80000-0x0000000000D8C000-memory.dmp

Filesize
48KB

Download
memory/1760-27-0x0000000004CF0000-0x0000000004DB0000-memory.dmp

Filesize
768KB

Download
memory/2248-141-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2248-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2248-0-0x000000002F2D1000-0x000000002F2D2000-memory.dmp

Filesize
4KB

Download
memory/2248-2-0x000000007186D000-0x0000000071878000-memory.dmp

Filesize
44KB

Download
memory/2248-72-0x000000007186D000-0x0000000071878000-memory.dmp

Filesize
44KB

Download
memory/2468-80-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2468-81-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2468-77-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2804-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-153-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-154-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-146-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-145-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-98-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2804-102-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2804-101-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2804-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-117-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-116-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2804-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2960-82-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2960-85-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2960-86-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2960-83-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download